Loading player…
Streaming via XPrime
Season 21 · Episode 2
How big is the universe - and does it have a boundary? Distances on the astronomer's scale are very hard to appreciate. Patrick Moore and Dr Ron Maddison discuss them in this programme, and explain how to describe them in everyday terms.
Playback is provided by a third-party source (XPrime). StreamFlix does not host any video files. If a stream fails to load, the source may be temporarily unavailable.